From 6e3d9402c546d031383f3966d6106d3413ba69aa Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Sat, 21 Mar 1998 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 1998-03-21

---
 ip/devip.c      | 1 +
 ip/kio.c        | 2 +-
 pc/etherelnk3.c | 7 ++++++-
 3 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/ip/devip.c b/ip/devip.c
index ad78b62ea28b19f146afb41b4c00836701a8cbe4..3aef82aaa8b15512ac80b2d7fdeaea23e59c66c5 100644
--- a/ip/devip.c
+++ b/ip/devip.c
@@ -467,6 +467,7 @@ closeconv(Conv *cv)
 		cv->incall = nc->next;
 		closeconv(nc);
 	}
+	cv->incall = nil;
 
 	strcpy(cv->owner, network);
 	cv->perm = 0660;
diff --git a/ip/kio.c b/ip/kio.c
index af69505a204e1d9867dbd8bcbabc598ba57bfc3a..05f34e13abb78a970cf0b5616a23d7b10a2c5752 100644
--- a/ip/kio.c
+++ b/ip/kio.c
@@ -124,7 +124,7 @@ kseek(int fd, vlong offset, int whence)
 	case 2:
 		devtab[c->type]->stat(c, buf);
 		convM2D(buf, &dir);
-		c->offset = dir.length2 + offset;	/* BOTCH */
+		c->offset = dir.length1 + offset;	/* BOTCH */
 		off = c->offset;
 		break;
 	}
diff --git a/pc/etherelnk3.c b/pc/etherelnk3.c
index 124f909883684a4c5dbeeca802353f8da8a96b8b..1412ae85bba8da3282b940162f2eb8be58fe56bb 100644
--- a/pc/etherelnk3.c
+++ b/pc/etherelnk3.c
@@ -1025,7 +1025,12 @@ interrupt(Ureg*, void* arg)
 					ctlr->txthreshold += ETHERMINTU;
 			}
 
-			if(s & (txJabber|txUnderrun)){
+			/*
+			 * According to the manual, maxCollisions does not require
+			 * a TxReset, merely a TxEnable. However, evidence points to
+			 * it being necessary on the 3C905. The jury is still out.
+			 */
+			if(s & (txJabber|txUnderrun|maxCollisions)){
 				if(ctlr->busmaster == 0)
 					COMMAND(port, TxReset, 0);
 				else